Home / 790,604.13-1,186,127.90-317,621.64

Finding the Fourth Proportional to 790,604.13, 1,186,127.90 and 317,621.64

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Solution

The fourth proportional to 790,604.13, 1,186,127.90 and 317,621.64 is: 476,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,604.13 : 1,186,127.90 = 317,621.64 : x
  2. Step 2: Convert to fraction form
    790,604.13/1,186,127.90 = 317,621.64/x
  3. Step 3: Cross multiply
    790,604.13x = 1,186,127.90 × 317,621.64
  4. Step 4: Simplify right side
    790,604.13x = 376,739,888,847.76
  5. Step 5: Solve for x
    x = 376,739,888,847.76/790,604.13
  6. Step 6: Final answer
    x = 476,521.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.